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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
18.6k
Companies
980
Updated
11.12.2026
18.6k Questions 980 Companies11.12.2026
PLTCHK testimonial
PLTCHK

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

_The_TaNk_ testimonial
_The_TaNk_

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

Chris testimonial
ChrisSenior SWE, LinkedIn

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

sleepy33 testimonial
sleepy33

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

Shruti testimonial
ShrutiData Engineer, Salesforce

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

midnightramen testimonial
midnightramen

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

Bianca testimonial
BiancaFrontend Eng, Figma

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."

PLTCHK testimonial
PLTCHK

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

_The_TaNk_ testimonial
_The_TaNk_

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

Chris testimonial
ChrisSenior SWE, LinkedIn

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

sleepy33 testimonial
sleepy33

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

Shruti testimonial
ShrutiData Engineer, Salesforce

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

midnightramen testimonial
midnightramen

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

Bianca testimonial
BiancaFrontend Eng, Figma

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."

Showing 20 results
Medium
Data Scientist

Compare LLN and CLT with heavy tails

Explain the Law of Large Numbers vs the Central Limit Theorem, including their assumptions and convergence guarantees. Construct a concrete counterexa...

Statistics & Math
9
0
63 people solved
Oct 13, 2025
Apple logo
Apple
Medium
Software Engineer Locked

Find k Smallest Pair Sums

This question evaluates skills in algorithm design, working with sorted arrays, pairing and ordering elements, and analyzing time and space complexity...

Coding & AlgorithmsHeaps & Priority Queues
13
0
91 people solved
Dec 22, 2025
HubSpot logo
HubSpot
Medium
Product Manager

Pick a B2B software product you admire and explain why it succeeds

Name an enterprise software product that you admire. Explain why you hold it up as an example and what a product manager can learn from it. `hint Thin...

Product Design & StrategyProduct Sense
1
0
9 people solved
Nov 29, 2024
Meta logo
Meta
Medium
Product Manager

VR and Mixed Reality Product for Learning Hands-On Skills Such as Welding or Pottery

You are a product manager at Meta Reality Labs, the part of Meta that makes its virtual and mixed reality headsets and its smart glasses. Design a lea...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
8 people solved
Jun 11, 2026
Meta logo
Meta
Medium
Data Scientist

Resolve Team Conflicts and Exceed Job Expectations Successfully

Resolve Team Conflicts and Exceed Job Expectations Successfully This behavioral prompt explores initiative beyond formal responsibilities and the abil...

Behavioral & Leadership
31
0
66 people solved
Jul 12, 2025
DoorDash logo
DoorDash
Medium
Software Engineer

Describe a Project End-to-End

Walk through one project you worked on in depth. Explain the business problem, your specific role, the technical approach, the main trade-offs, and ho...

Behavioral & LeadershipProject Deep DiveLaunch Evaluation
5
0
106 people solved
Feb 28, 2026
Swiggy logo
Swiggy
Medium
Product Manager

Children's Meal Delivery Product for Families: Product Sense Case

You are a product manager asked to design a food delivery app aimed at children. Explain who the product serves, which problems it solves for them, an...

Product Design & StrategyProduct Sense
0
0
8 people solved
Feb 8, 2025
Meta logo
Meta
Medium
Product Manager

Location-Aware Facebook Features: Pick Surfaces Where Proximity Matters and Set Precision

You are a product manager at Meta. Which products inside Facebook could be made better by displaying location information, and how would you add that ...

Product Design & StrategyProduct Design & ImprovementPrivacy & Compliance
0
0
5 people solved
Mar 12, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Fraud Detection for Microsoft Word: Signals, Risk Scoring and Enforcement

You are interviewing for a product manager role and get a technical design question: Microsoft wants a system that can detect when Microsoft Word is b...

System DesignTrust & SafetyML System Design
0
0
7 people solved
Oct 28, 2024
TikTok logo
TikTok
Medium
Data Scientist

Analyze Negative Reviews' Impact on Coupon Repurchase Rate

Measuring Negative Reviews' Impact on Coupon Repurchase Management wants to understand how negative customer reviews affect the probability that a use...

Analytics & Experimentation
22
0
107 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Determining the optimal ad load in News Feed

Determining the Optimal Ad Load in News Feed You are asked to set a data-driven threshold for ad frequency, where ad load means the number of ads show...

Analytics & Experimentation
24
0
96 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Product Manager

Product Design: Helping Young Children Plan Get-Togethers with Friends in a Kids' Chat App

You are the product manager for a messaging app built for children. Design a feature that lets kids set up events with their friends. `hint Follow one...

Product Design & StrategyProduct SenseTrust & Safety
0
0
6 people solved
Aug 29, 2024
Meta logo
Meta
Medium
Product Manager

Hyperlink Request Flow at Facebook

End-to-End Flow: Clicking a Hyperlink in a Facebook Feature Walk through what happens end to end when a signed-in user clicks a hyperlink inside a Fac...

Product / Decision Making
16
0
76 people solved
Jul 4, 2025
Coinbase logo
Coinbase
Medium
Software Engineer

Maximize profit with transaction fees

You are given an array prices where prices[i] is the price of a stock on day i and an integer fee representing the commission charged when you sell. Y...

Coding & AlgorithmsDynamic Programming
22
0
153 people solved
Sep 6, 2025
Roblox logo
Roblox
Medium
Data Scientist

Generate Friendship List with Acceptance Dates Using Pandas

friend_events | requester_id | accepter_id | request_date | accept_date | |--------------|-------------|--------------|-------------| | 1 |...

Data Manipulation (SQL/Python)
59
0
27 people solved
Jul 12, 2025
DoorDash logo
DoorDash
Medium
Software Engineer

Compute Driver Pay with Double-Pay Windows

You are building payroll logic for a delivery platform. Given a list of order records for one delivery driver, compute the total amount the driver sho...

Coding & Algorithms
5
0
94 people solved
Mar 8, 2026
Meta logo
Meta
Medium
Software Engineer Locked

Solve counting and frequency coding tasks

This question evaluates algorithmic skills in counting, frequency analysis, constraint-based pair counting, and stream-oriented tokenization and ranki...

Coding & Algorithms
4
0
58 people solved
Jan 5, 2026
Intuit logo
Intuit
Medium
Product Manager

Intuit PM Behavioral: Managing and Resetting Customer Expectations

For a product manager role at Intuit: describe how you have handled customer expectations in your past work. Use one specific situation, and explain w...

Behavioral & LeadershipCommunication & Stakeholders
1
0
12 people solved
Sep 27, 2025
Microsoft logo
Microsoft
Medium
Product Manager

PUBG Mobile Product Sense: Find a Player Pain Point and Pitch One Feature

You are a product manager working on PUBG Mobile, the battle royale shooter for phones. Suggest one new feature for the game. Explain which players it...

Product Design & StrategyProduct Design & ImprovementExperiment Design (A/B Testing)
0
0
7 people solved
Feb 20, 2024
Google logo
Google
Medium
Product Manager

Prime Video Market-Share Strategy and a New Product for Pandemic-Era Viewers

You are a product manager on the Amazon Prime Video team, and your goal is to grow its share of the video-streaming market. Which strategy would you c...

Product Design & StrategyProduct StrategyMarket & Competitive Analysis
0
0
4 people solved
Mar 15, 2025
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